<style lang="less">
@import "./styles/menu.less";
</style>

<template>
    <div :style="{background: bgColor}" class="ivu-shrinkable-menu">
        <slot name="top"></slot>
        <sidebar-menu 
            v-show="!shrink"
            :menu-theme="theme" 
            :menu-list="menuList" 
            :open-names="openNames"
            @on-change="handleChange"
        ></sidebar-menu>
        <sidebar-menu-shrink 
            v-show="shrink"
            :menu-theme="theme" 
            :menu-list="menuList" 
            :icon-color="shrinkIconColor"
            @on-change="handleChange"
        ></sidebar-menu-shrink>
    </div>
</template>

<script>
import sidebarMenu from "./components/sidebarMenu.vue";
import sidebarMenuShrink from "./components/sidebarMenuShrink.vue";
import util from "@/libs/util";
export default {
    name: "shrinkableMenu",
    components: {
        sidebarMenu,
        sidebarMenuShrink
    },
    props: {
        shrink: {
            type: Boolean,
            default: false
        },
        menuList: {
            type: Array,
            required: true
        },
        theme: {
            type: String,
            default: "dark",
            validator(val) {
                return util.oneOf(val, ["dark", "light"]);
            }
        },
        beforePush: {
            type: Function
        },
        openNames: {
            type: Array
        }
    },
    computed: {
        bgColor() {
            return this.theme === "dark" ? "#495060" : "#fff";
        },
        shrinkIconColor() {
            return this.theme === "dark" ? "#fff" : "#495060";
        }
    },
    methods: {
        handleChange(name) {
            let willpush = true;
            if (this.beforePush !== undefined) {
                if (!this.beforePush(name)) {
                    willpush = false;
                }
            }
            if (willpush) {
                this.$router.push({
                    name: name
                });
            }
            this.$emit("on-change", name);
        }
    }
};
</script>
